REMOVAL OF NITRIC OXIDE FROM WASTE GASES AND RECOVERY AS NITRIC ACID - Patent 0434686

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EP 0 434 686 A1

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(43)	Date of publication:
	03.07.1991 Bulletin 1991/27

(21)	Application number: 89905544.0

(22)	Date of filing: 14.04.1989

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International Patent Classification (IPC):

B01D 53/ 32^{( . )}
B01D 53/ 56^{( . )}
C01B 17/ 775^{( . )}
C25B 1/ 22^{( . )}

B01D 53/ 50^{( . )}
B01D 53/ 77^{( . )}
C02F 1/ 467^{( . )}

(86)	International application number:
	PCT/US1989/001582

(87)	International publication number:
	WO 1990/008845 (09.08.1990 Gazette 1990/19)

(84)	Designated Contracting States:
	BE DE FR GB IT NL

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Priority:

27.01.1989 US 19890303159

(71)	Applicant: Stauffer, John E.
	Greenwich Connecticut 06830 (US)

(72)	Inventor:
	Stauffer, John E. Greenwich Connecticut 06830 (US)

(74)	Representative: Kügele, Bernhard
	NOVAPAT-CABINET CHEREAU, 9, Rue du Valais CH-1202 Genève CH-1202 Genève (CH)

(54)	REMOVAL OF NITRIC OXIDE FROM WASTE GASES AND RECOVERY AS NITRIC ACID